It is human nature to think wisely and to act in an absurd fashion.

In order that knowledge be properly digested it must have been swallowed with a good appetite.

Of all the sexual aberrations, chastity is the strangest.

You learn to speak by speaking, to study by studying, to run by running, to work by working; in just the same way, you learn to love by loving.

The power of love itself weakens and gradually becomes lost with age, like all the other energies of man.

It is well for the heart to be naive and for the mind not to be.

Never lend books, for no one ever returns them; the only books I have in my library are books that other folks have left me.